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10 Cards in this Set
- Front
- Back
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3 developmental stages in utero |
Pre-embryonic (conception - day 14) Embryonic (day 15 - end of week 8) Fetal (end of week 8 - birth) |
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Formation of Nervous System - In which developmental stage? - What are the 2 phases? |
- embryonic stage - neural tube formation (day 14-26) and brain formation (starts on day 28) |
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Somites |
spherical cell clusters |
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Sclerotome (anteromedial part of a somite) becomes: |
the vertebrae & skull |
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Myotome (posteromedial part of a somite) becomes: |
the skeletal muscle |
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Dermatome (lateral part of somite) becomes: |
the dermis |
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Brain Formation: neural tube expands to form these 3 enlargements |
hindbrain, midbrain, forebrain |
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Hindbrain divides into 2 sections called: |
1. myelencephalon - lower section 2. metencephalon - upper section |
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Eventually, hindbrain becomes: |
medulla, pons, & cerebellum |
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This enlargement keeps its name throughout development |
midbrain |
